{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MPHKRGYD7UGSMDCY4SM6QJAYYD","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"5ff7309b6b7673e5f9b777afac9e496f917be077d4491769afc84ec1debdb14a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-08-31T17:30:35Z","title_canon_sha256":"423d028c5474338cfe524397558f90ee0e7d36895af358162ce5607a21888bc7"},"schema_version":"1.0","source":{"id":"1208.6557","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.6557","created_at":"2026-05-18T03:26:23Z"},{"alias_kind":"arxiv_version","alias_value":"1208.6557v2","created_at":"2026-05-18T03:26:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.6557","created_at":"2026-05-18T03:26:23Z"},{"alias_kind":"pith_short_12","alias_value":"MPHKRGYD7UGS","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MPHKRGYD7UGSMDCY","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MPHKRGYD","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:1714fce80980ad7611348208a7d8ada7516c0fcfc75113c7e4e0ea65e0f12e11","target":"graph","created_at":"2026-05-18T03:26:23Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Dynamical effects under geometrical frustration are considered in a model for artificial spin ice on a square lattice in two dimensions. Each island of the spin ice has a three-component Heisenberg-like dipole moment subject to shape anisotropies that influence its direction. The model has real dynamics, including rotation of the magnetic degrees of freedom, going beyond the Ising-type models of spin ice. The dynamics is studied using a Langevin equation solved via a second order Heun algorithm. Thermodynamic properties such as the specific heat are presented for different couplings. A peak in","authors_text":"A. R. Pereira, G. M. Wysin, L. A. S. M\\'ol, W. A. Moura-Melo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-08-31T17:30:35Z","title":"Dynamics and hysteresis in square lattice artificial spin-ice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.6557","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:8a22cb7c7faf1bfb90dab08b505e98878cedb13dfac6e4fc233e908fdce81a2f","target":"record","created_at":"2026-05-18T03:26:23Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"5ff7309b6b7673e5f9b777afac9e496f917be077d4491769afc84ec1debdb14a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-08-31T17:30:35Z","title_canon_sha256":"423d028c5474338cfe524397558f90ee0e7d36895af358162ce5607a21888bc7"},"schema_version":"1.0","source":{"id":"1208.6557","kind":"arxiv","version":2}},"canonical_sha256":"63cea89b03fd0d260c58e499e82418c0e7828e1601dd476b4ebe0cdb86d8bd84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63cea89b03fd0d260c58e499e82418c0e7828e1601dd476b4ebe0cdb86d8bd84","first_computed_at":"2026-05-18T03:26:23.030388Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:23.030388Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tkI3rsxABwoFoIkNN0mkAfBP6Cm/dGY7Ou/XDugBik518huin57cz98QvazGLYKvb1US7ZOIoI6VIBqFCuNpCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:23.031137Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.6557","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a22cb7c7faf1bfb90dab08b505e98878cedb13dfac6e4fc233e908fdce81a2f","sha256:1714fce80980ad7611348208a7d8ada7516c0fcfc75113c7e4e0ea65e0f12e11"],"state_sha256":"33a9643b58e3c8777301b59ee9b59945fc402e66ebc027d98b57a05bb0cd3cbb"}